Health aid calculator



FIG. 1 is a top plan view of a health aid calculator showing our new design;

FIG. 2 is a top plan view thereof, with the indicating disk removed for ease of illustration;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a front elevational view thereof. 

The ornamental design for a health aid calculator, as shown and described. 